Nano Tungsten Powder from Mexico
Nanoparticle tungsten powder (<100nm) for catalysts, batteries, and advanced materials research. HTS 8101.10.00.00 applies to all tungsten powders regardless of particle size.
Duty Rate — Mexico → United States
7%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Include TEM/SEM analysis reports for nano claims; EPA may require TSCA certification for nanomaterials
• Declare exact surface area (m²/g) for valuation; higher purity nanos command premium duties